256793982

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1\times {\mathrm{1301}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 522716544

約数和(自身を除く): 265922562

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 491, 982, 1301, 1473, 2602, 2946, 3903, 7806, 32897, 65794, 87167, 98691, 174334, 197382, 261501, 523002, 638791, 1277582, 1916373, 3832746, 42798997, 85597994, 128396991, 256793982]

約数ペア:

[(1, 256793982), (2, 128396991), (3, 85597994), (6, 42798997), (67, 3832746), (134, 1916373), (201, 1277582), (402, 638791), (491, 523002), (982, 261501), (1301, 197382), (1473, 174334), (2602, 98691), (2946, 87167), (3903, 65794), (7806, 32897)]